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How do I configure custom SMTP server?

Discussion in '3CX Phone System - General' started by newuser1, Nov 30, 2017.

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  1. newuser1

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    I just setup the 3CX software (free version) but when I go to settings and try to change my mail settings the type of email server is grayed out with 3CX SMTP server selected. If I click on test with 3CX selected I get error, AuthenticationInvalidCredentials: 5.7.0 Denied. Is it possible to change SMTP server if not how do I correct the authentication problem?
     
  2. newuser1

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    I corrected the mail auth issue by changing my SNAT to the correct public; however is there a way to change the server to internal?
     
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  3. Saqqara

    Saqqara Well-Known Member

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    You can not change the SMTP settings in the free version.

    You need a commercial license to use your own SMTP server
     
  4. apostolis_3CX

    apostolis_3CX Support Team
    Staff Member 3CX Support

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    That is correct, starting from V15.5 SP2, using your own SMTP server requires a commercial License Key.
     
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